ChargerCity Universal Flexible Vehicle Boat Car Truck Vehicle Drinks Cup Holder Mount for Sirius XM Onyx EZ EZR Plus Lynx Satellite Radio w/All SiriusXM Delphi Skiff and AMPS Pattern Compatible Compatible with Delphi Skiff, Sirius and XM Satellite Radios, as well as devices with Single T or AMPS patterns Expandable Cup holder base to fit any size cup holder Easy to install, just twist the base to expand the fitting 8" Bendy arm adjusts is strong and flexible to suit your viewing needs Compatible with Garmin ZUMO Factory 4 hole AMPs fitting Cradle (RAM MOUNT Compatible)